| 摘要 |
The invention relates to a device for testing varifocal lenses, characterised in that it comprises a ring (3) in which a varifocal lens is inserted, with no correction in the upper portion thereof, reserved for far sight, and with a corrective addition in the lower portion thereof, reserved for near sight, said varifocal lens having a first engraving (8) enabling same to be centred horizontally, according to the separation between the pupils of the user, and a second engraving (9) enabling same to be centred vertically, i.e. at the height of the pupils of said user, said two engravings (8, 9) extending in directions substantially perpendicular to one another. |
